MOSA MS6712L Low Cost 4 Stereo Inputs / 4-Channel.
MS6712L - Low Cost 4 Stereo Inputs and 4-Channel Outputs and Selectable Input Gain
MOSA MS6712L Low Cost 4 Stereo Inputs / 4-Channel Outputs Audio Processor Low Cost 4 Stereo Inputs and 4-Channel Outputs Volume, Tone, Balance, Fade.